- 6x8" foamed IMPP (Injection Molded Polypropylene) Rigilite Composite Cone (Bronze). - Butyl Rubber Surround. - High Energy Strontium Magnet. - 1-3/8"" PPTA Dome Midrange. - 1/2"" Dome Tweeter. - Deep Basket for Enhanced Bass Response. - Custom-Fit for Ford and Mazda Vehicles. - 180 Watts Max. Music Power (50 Watts Nominal).